A design method of a continuous wind tunnel distributed compressor system overall scheme

By constructing a closed-loop design logic and iterative design method, the problem of scientifically determining the number of series and parallel compressors in a continuous wind tunnel distributed compressor system was solved, realizing a reasonable and economical overall scheme design, and supporting the high-speed, wide-speed-range, and refined development of wind tunnels.

CN122452154APending Publication Date: 2026-07-24CHINA AERODYNAMIC RES & DEV CENT EQUIP DESIGN & TESTING TECH INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA AERODYNAMIC RES & DEV CENT EQUIP DESIGN & TESTING TECH INST
Filing Date
2026-05-08
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The lack of a systematic design methodology in existing technologies means that the determination of the number of series compressors, the number of parallel compressors, and the series-parallel combination layout in a continuous wind tunnel distributed compressor system relies on experience, making it difficult to guarantee the rationality, economy, and feasibility of the solution.

Method used

This paper presents a design method for a continuous wind tunnel distributed compressor system. The method constructs a closed-loop design logic through 16 steps, from wind tunnel operating conditions to the overall scheme of the series-parallel distributed compressor system. This includes the conversion of mass flow rate-resistance loss relationship curves, isentropic efficiency calculation, iterative design, load allocation, and judgment of processing and manufacturing capabilities, ensuring the scientific validity and feasibility of the scheme.

Benefits of technology

It realizes a complete design process from wind tunnel requirements to series-parallel distributed compressor system, avoids the blindness of experience-based design, ensures smooth operating condition coverage and operational stability, reduces the pressure of compressor processing and manufacturing, and balances performance and cost.

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Abstract

The application discloses a design method of a continuous wind tunnel distributed compressor system overall scheme, relates to the field of continuous wind tunnel design, and first obtains a mass flow resistance loss relation curve and converts the mass flow resistance loss relation curve into a converted flow total pressure ratio relation curve of a compressor system; maximum operation power is determined, and lowest isentropic efficiency requirements of each working condition are calculated. A lowest efficiency working condition point is selected as a first-stage compressor design constraint point, serial compressors are designed one by one, and working condition coverage ranges are evaluated; if all working conditions are not covered, a serial compressor is added, iteration is completed through overlapping working condition point selection, load distribution and efficiency calculation, and all working conditions are covered. Finally, whether parallel replacement is needed at each serial position is judged according to processing and manufacturing capacity, parallel numbers are determined, a serial-parallel distributed compressor system overall scheme is output, and the problem that the distributed compressor system lacks a systematic design method is solved, thereby providing scientific guidance for continuous wind tunnel high-speed, wide-speed-range and fine development.
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